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  1. 25 sty 2023 · Bivalent boosters provided substantial additional protection against severe omicron infection in persons who had previously been vaccinated or boosted, although the effectiveness waned over...

  2. 22 wrz 2021 · First results from any randomized, controlled COVID-19 vaccine booster trial demonstrate a relative vaccine efficacy of 95.6% against disease during a period when Delta was the prevalent strain; In trial with more than 10,000 participants 16 years of age and older, COVID-19 booster was found to have a favorable safety profile

  3. 8 lip 2021 · update on their comprehensive booster strategy. Pfizer and BioNTech have seen encouraging data in the ongoing booster trial of a third dose of the current BNT162b2 vaccine.

  4. 2 lip 2024 · Johns Hopkins Medicine research finds booster doses of bivalent vaccines given every three to six months helps maintain a person’s ability to neutralize multiple SARS-CoV-2 strains, including XBB.1.5.

  5. 13 wrz 2023 · The new boosters are a much closer match to currently circulating variants than prior vaccines, say federal health officials. They're updated versions of the existing Moderna and...

  6. 8 gru 2021 · Pfizer and BioNTech have said a booster jab of their coronavirus vaccine promises to be an effective defence against the new Omicron variant. Three doses provide a similar level of antibodies...

  7. 14 sty 2022 · Using evidence from the COV-BOOST trial, which demonstrated that the mRNA vaccines provide a strong booster effect with low reactogenicity, regardless of the vaccine given in the primary course...

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